<h1>ConfigController#new</h1>
<form action="/config/create" method="post">
  <fieldset>
  <legend>New Config</legend>
    <p>k: <input type="text" name="k" value="{{ k }}"></p>
    <p>v: <textarea name="v" rows="8" cols="40">{{ v }}</textarea></p>
    <p><input type="submit" value="Submit"></p>
  </fieldset>
</form>